Mitotic Chromosome Coating Spheres, MiCCS : Distinguished components of RNA molecules surrounding mitotic chromosomes in mammalian cells
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概要
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Recently, RNA molecules in mammalian cells have been extensively studied, but their role in mitosis is not fully understood because of the mitotic repression of transcription, that is, the repression of transcripts from mitotic chromosomes. Several studies have identified the distribution and function of RNA molecules in mitosis; however, the relationships between RNA molecules and condensed chromosomes during mitosis have not been systematically studied. In this study, we investigated specific RNA molecules during mitosis and identified structural components that surround the chromosomes, called Mitotic Chromosome Coating Spheres (MiCCS), by using an in-cell deproteinization assay. Furthermore, we observed the unique distribution patterns of the RNA molecules in terms of mitotic chromosomes, MiCCS, mitotic cytoplasm, and outer membranes - of mitotic cells- by using a mitotic three-dimensional RNA fluorescent in situ hybridization (3D-RNA-FISH). These data provide us with a novel perspective of the relationships between RNA molecules and mitotic chromosomes.
- 2011-08-01
著者
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Chiba Marin
Department Of Biosystems Science School Of Advanced Sciences The Graduate University For Advanced St
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Tanabe Hideyuki
Department Of Biosystems Science School Of Advanced Sciences The Graduate University For Advanced St
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Tanabe Hideyuki
Department Of Evolutionary Studies Of Biosystems School Of Advanced Sciences The Graduate University
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Chiba Marin
Department Of Evolutionary Studies Of Biosystems School Of Advanced Sciences The Graduate University
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